Storage reference priority in a data processing system



April 2, 1968 J, HAsBROUCK ET AL 3,376,556

STORAGE REFERENCE PRIORITY IN A DATA PROCESSING SYSTEM 5? Sheets-Sheet 1Filed Jan. 13, 1967 STORAGE April 2, 1968 1.. J. HASBROUCK ET AL 3STORAGE REFERENCE PRIORITY IN A DATA PROCESSING SYSTEM Filed Jan. 13,1967 57 Sheets-Sheet 5 FIG.30

FIG. 3b

NOTLC R YZ'PU' FIG 3c mPucn FIG. 3d

x MI

II FL LC W f b LATCHED TnSJ 200. FIG. 40 4.. FIG. 4b +B a +0 3 8 1 8 OIN +L Q s 0H L NOTD H x nor L "QTY 0 R 2 FIG. 50 1 +x +scm: a +v 81 N a Z+AC 8| OI 8t XYZ I 2 cm RST a flL g OI N m i T FIG. 5b a SCAN m LCH x I/5 a O S 1 1 a W Z NOT xvz LCH' a M W 6 o R 15 "4mm April 9 8 L. J.HASBROUCK ET AL 3,376,556

STORAGE REFERENCE PRIORITY IN A DATA PROCESSING SYSTEM Filed Jan. 13,1967 37 ShBStS-ShSSt 4 FIG. 60

NOT A B 8 c o S Q LC H NOTD E F a NOTG 0 NOT)! R FIG. 7a

Y I HI w 2 FIG. 8a

FlG.8b

AVG

April 2, 1968 1.. .1. HASBROUCK ET AL 3,376,556

STGRAGE REFERENCE PRIORITY IN A DATA PROCESSING SYSTEM 37 Sheets-Sheet 6:ileci Jan. 13, 1967 as g 5 z; i 2: 2 2: z vw a. ll 2: 5 H a: 5 i 2 2; Em A 1 H 2; 5 E3 2; 9:22 i 2 E; w 5 A E m5 5 :5: m E H E; m E V m Q: z222 :a 2 .:mm n1 2: 0: EA v.10 1| :3 =0 5 :0 m2 2; m2 z 20% m w WK 3 :0A :25 023 a 1 2 $5 Mm .1 k z: a I a;

now mo 2 z 1 m3 5-: :m 2o 22 EE .3 E0 2; .t; I z 23 :2 0 2 :2: 2 Ev. E::2: =2: PC3050 .Dn 2 mQ mOPm A ril 2, 1968 L- J. HASBROUCK ET AL STORAGEREFERENCE PRIORITY IN A DATA PROCESSING SYSTEM Filed Jan. 13, 1967 37 sht s t 9 FIG. 13 BFR 12 CH PRI ans 4 0 I HFR i5 5 S 16 N0? BFR R 0 I2 8R1? 59 D 42 .RI RSI FIG. DELAY 2 DLY 1 SET 15 13 m 1s A DLYI 15 A I 1 1 Al A I I A nus 1 A L 1? 5 i on FULL 12 FIG. 15 2 5 a-- 14 on I 551 1 1 aI I 0 a ECU DATA REQ 12 CH PRI BITS 2 a 45 -01 DLY I L- BCU DATA REG 5514 O SIGNALS HFR /1 830 4 856 I2 BHPRI ans 6 a -s 5 a 4 MC M NOT [m2April 1968 L. J. HASBROUCK ET AL 3,376,556

STORAGE REFERENCE PHIORITY IN A DATA PROCESSING SYSTEM Filed Jan. 15,1967 37 Sheets-Sheet 10 FIG. 16 BCU RESPONSE 1 13 BFR T s 5 a 1 12 CHPRI ans 4 ecu RESPONSE StGNALS 55 M ecu RESP no 14 m1 SET a. s 855 M NOTDLY 1 R 0 FIG. 17 CHAN REQUEST 55 ADR VAL 4 2 1 44 on FULL L CH M 59 ARL a s 1 a S 1 18 64 SRC O R o J R O 59 BR 43 NOT BFR 8 5 F G GATE CH/CPUCH E/O CH/CPU OP 55 nor CAB 2o 28 EVEN nor BUSY CH SEL EVEN H CH REQ a2? NOT CYC um 28 000 NOT BUSY a SEL ODD CA8 T CPU UP 3 N 42d we CH N 5NOT GATE CH 48 -01 CPU ELK N a S CH 0P 28 -01 mu R 0 42d April 2, 1968L. J. HASBROUCK E L 3,

STOhAGE REFEEENCE PRIORITY IN A DATA PROCESSING SYSTEM Filed Jan. 13,196'? 57 Sheets-Sheet 11 STORAGE REFERENCE PRIORITY IN A DATA PROCESSINGSYSTEM (L h ets-Sheet l2 Flled Jan. 13, 1967 =5 88 Ew mom o; Iw to :0 :0E3 cum :0

A ril 2, 1968 SIOhAGE REFEP-ENCE PHIORi'IY IN )2 DATA PROCESSING SYSTEMF1 led Jan. 13, 1967 Nags (0&(0

-N NN mmAmu-l FIG. 2!

SINGLE CYC L J. HASBROUCK ET AL. 3,376,556

37 Sheets-Sheet 13 CPU REQ SC 5TH I FTCH 1 I FTCH 2 E FTCH REQ NOTSINGLE CYC I STR E STR REQ NOT ACC SCAN SET CPU RED a 38 N I CPU REGP-ACC RST FIG. 22

NOT DUP SAR 20 EVEN NOT BUSY CPU E/O CPU REC CPU SEL EVEN NOT CYC INHNOT CPU B L K M PREF SYS 2 ODD NOT BUSY [I1 acu REO EVEN 27 a F M CPUSEL 000 2? CUP SAR 20 BOA PR 8 A ril 2, 1968 L. .1. HASBROUCK ET AL3,375,556

STORAGE REFERENCE PRIORITY IN A DATA PROCESSING SYSTEM 37 Sheets-Sheet15 Filed Jan. 13, 1967 :3 a: ZEm 2:22 :3: 10:10 $5; $60; w:: l

am P8 S FEW A ril 2, 1968 L. J. HASBROUCK E L 3,376,556

IN A DATA PROCESSING SYSTEM STOEAGE REFERENCE PRIORITY 5? Sheets-Sheet16 Filed Jan. 13, 196'? OS 31 3m 06 8: 3w

E 2 I 2 m w 3 w :m E; E2 2 Us 5: s 5: 3 20 w. 55: 2 mm o: a z 2 2 E: Wa; o a 2 as: 2 v :20; 2 z g aw i v 2 STOHAGE REFERENCE PRIORITY IN ADATA PROCESSING SYSTEM 57 Sheets-Sheet 17 F1 led Jan. 13, 1967 mm 2 g mmNW z 2 m aao zo Z w L a;

L :w i

ES Twm 20 ON E5 850 Sz ON 5w BBQ 0: =10

A ril 2, 1968 L J. HASBROUCK ET AL .iIOF-AGE EiEFEfi-ENCE PRIORITY IN ADATA PROCESSING SYSTEM Filed Jan. 13, 1967 Sheets-Sheet 18 SEL A/B-E/OCH-CPU 1a 1? 28 -05 CYC m5 59 CR a A N CPU SEL EVEN 17 22 a 5 NOT DUPSAR 5 2 23 5 A55 05 SEL EVEN 18 NOT CAB 5 13 :1 0 1a 55 HR 0 ass 22 BCUR50 EVEN 8 A 1A0 10 m 22 CPU SEL 000 2 A SIG 875 25 -01 DUP SAR 5 2o 18CH sum a O S W AH -R 0 55 -01 CABS H 7 ME 1 1A0 SEL 28 22 CPU SEL EVENI0 54 CH SEL EVEN 18 CAB 5 55 5 12 a 22 CPU SEL 000 4 21 DUP SAR 5 1 NUTum 23 m 0 1 18 CH 000 a o (usw m 55 DAB 5 ms FIG April 2, 1968 J.HASBROUCK ET AL 3,375,555

STOIKAGE REFERENCE PRIORITY IN A DATA PROCESSING SYSTEM 5? Sheets-Sheet20 Filed Jan. 13, 1967 ACCEPT FIG. 29

ACCEPT ACC NOT ACC L 0 R o NOT CYC NH CRC 22 CPU SEL EVEN 22 CPU SEL00!) NOT P-ACC P-ACC RST one SRC

FIG. 30

CPU COM BUSY CPU 0094 CPU STG BUSY 2% P ACC EBR

